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Simrad MX500 | 79

When sending data to the CDU, it must be sent in block

form, followed by (with an appended) CR (carriage re-

turn) and LF (line feed). Normal communications pro-

grams, like Windows XP Hyper Terminal are sufficient to

get the job done.

Using Windows XP Hyper Terminal, do the following (from

the Program Manager):

Using an RS-422 to RS-232 convertor, connect the 1

CDU’s port 1 or 2 to the PC’s communications port

(Refer to the page 195 - MX500 PC Interface sec-

tion of this manual).

On the CDU press the 2 CFG key until CFG1 screen

is displayed.

Scroll down the menu to 3 WPT & RTE In.

Press the 4 EDIT key.

Set the 5 External WPT Input to Yes.

Set the 6 Data Input Port No. to 1 or 2 (depending

where the external interface is).

Press the 7 EDIT key.

On the computer, select 8 All Programs - Accessories

- Communications, and click on the Hyper Terminal

icon.

Give your 9 Connection Description a name and click

OK.

Under the 10 Connect using option, choose COM1 (or

COM2, depending where the external interface is).

Make the following 11 Port Settings:

4800 baud

8 data bits

1 stop bit

Parity - none

Flow Control - none

Click on the 12 Transfer menu and select Send Text

File.

Make the following settings: 13

[select the correct file name.txt]

[select the correct location (folder) for the file]

Open

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Memorex RX 1 Smart Installationshandbuch Seite 80